Table 2.

System parameters and typical magnitude.

Symbol	Physical Meaning	Typical Magnitude
K	Stiffness of soil	~1 × 107 N/m2
C	Damping of soil	~0.03
m	Unit mass of the optical cable	~35 × 10−3 kg/m
EI	Bending stiffness of the optical cable	~10 N·m2
l	Length of the optical cable	~5 m
T	Tensile of the optical cable	~50 N
w	Vibration frequency of the load	~50 Hz